EP1682821B8 - Method and device for controlling a chimney draught in an upstream connected exhaust gas cleaning system - Google Patents
Method and device for controlling a chimney draught in an upstream connected exhaust gas cleaning system Download PDFInfo
- Publication number
- EP1682821B8 EP1682821B8 EP04765646A EP04765646A EP1682821B8 EP 1682821 B8 EP1682821 B8 EP 1682821B8 EP 04765646 A EP04765646 A EP 04765646A EP 04765646 A EP04765646 A EP 04765646A EP 1682821 B8 EP1682821 B8 EP 1682821B8
- Authority
- EP
- European Patent Office
- Prior art keywords
- chimney
- liquid
- exhaust gas
- pipe
- arrangement according
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Not-in-force
Links
Classifications
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F23—COMBUSTION APPARATUS; COMBUSTION PROCESSES
- F23L—SUPPLYING AIR OR NON-COMBUSTIBLE LIQUIDS OR GASES TO COMBUSTION APPARATUS IN GENERAL ; VALVES OR DAMPERS SPECIALLY ADAPTED FOR CONTROLLING AIR SUPPLY OR DRAUGHT IN COMBUSTION APPARATUS; INDUCING DRAUGHT IN COMBUSTION APPARATUS; TOPS FOR CHIMNEYS OR VENTILATING SHAFTS; TERMINALS FOR FLUES
- F23L11/00—Arrangements of valves or dampers after the fire
- F23L11/02—Arrangements of valves or dampers after the fire for reducing draught by admission of air to flues
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F23—COMBUSTION APPARATUS; COMBUSTION PROCESSES
- F23L—SUPPLYING AIR OR NON-COMBUSTIBLE LIQUIDS OR GASES TO COMBUSTION APPARATUS IN GENERAL ; VALVES OR DAMPERS SPECIALLY ADAPTED FOR CONTROLLING AIR SUPPLY OR DRAUGHT IN COMBUSTION APPARATUS; INDUCING DRAUGHT IN COMBUSTION APPARATUS; TOPS FOR CHIMNEYS OR VENTILATING SHAFTS; TERMINALS FOR FLUES
- F23L17/00—Inducing draught; Tops for chimneys or ventilating shafts; Terminals for flues
- F23L17/02—Tops for chimneys or ventilating shafts; Terminals for flues
- F23L17/06—Tops for chimneys or ventilating shafts; Terminals for flues branched; T-headed
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F23—COMBUSTION APPARATUS; COMBUSTION PROCESSES
- F23J—REMOVAL OR TREATMENT OF COMBUSTION PRODUCTS OR COMBUSTION RESIDUES; FLUES
- F23J2900/00—Special arrangements for conducting or purifying combustion fumes; Treatment of fumes or ashes
- F23J2900/13004—Water draining devices associated with flues
Definitions
- the invention relates to a method and an arrangement for controlling the chimney draft (the chimney draft) on an upstream exhaust gas purification system.
- the chimney draft the chimney draft
- the total production costs and, on the other hand, the maintenance costs of the exhaust gas purification system can be markedly reduced.
- Permanently installed closure elements such as flaps and the like, form additional line resistance and are themselves susceptible to interference and repair.
- Temporarily installed in the cable closure elements, such as inflatable balloons from the outside, can not absorb the occurring at large wire cross-sections differential pressures and loads sufficiently reliable and / or they require a relatively high installation costs.
- the invention has for its object to reduce the pulling effect of a chimney on an upstream Abgasitesssy- system with little effort to audit and
- Liquid is lowered relative to the chimney, so that the chimney pipe is no longer immersed in the liquid.
- the lower, open end of the chimney tube can be exposed so far by a correspondingly low lowering of the tub, that the opening is easily accessible and, depending on the dimensions, even walkable.
- the tub needs only to be raised so far that a flue gas closure is ensured by the dipping into the liquid of the tub chimney.
- the flue gas shut-off can also be brought about by increasing the liquid level to above the lower end of the chimney pipe by supplying liquid.
- a channel assigned to the lower end of the chimney and defining a drainage floor on the outside is used as a trough.
- This has the advantage that only a small amount of liquid is needed to ensure a Rauchgasab gleich, since the wall of the flue gas tube is surrounded by a comparatively small volume of liquid.
- the drainage floor discharges condensed or precipitated condensate to the gutter.
- the liquid barrier not only ensures the reliable flue gas seal, but also the continuous flow of the forming condensate.
- the liquid is overflowed via a gutter outer wall in the manner of a weir.
- the immersion depth of the chimney pipe in the channel can be adjusted and varied by vertical position positioning of the channel.
- the base connected to the liquid channel is pyramid-shaped, conical or spherical-cap-shaped and to ensure that the liquid-carrying channel is distributed over the circumference of the liquid.
- FIG. 1 shows a schematic representation of the lower section of a flue gas or chimney pipe with a clean gas duct connection and a drainage floor assembly which, in the illustrated closed position, hermetically seals off the open lower end of the chimney pipe from the surroundings;
- Fig. 1A is an enlarged schematic sectional view, compared to Fig. 1, of the portion of a variable-length suspension designated "A" in Fig. 1, which holds the drain tray assembly in the closed position of Fig.
- FIG. 1 shows a schematic sectional view of the part of the chimney tube designated "B" in FIG. 1 in the closed position of the discharge tray assembly in the region of a liquid barrier with overflow to a condensate discharge
- Fig. 2 is a plan view of the drain tray assembly in the closed position
- 2C is an enlarged partial view corresponding to the cutout "C" in Figure 2 on the area of the condensate overflow weir.
- 3 shows a schematic representation of the lower section of the chimney pipe in an open position of the drainage floor assembly, which is unclamped by means of hoists, in which the chimney pipe is exposed downwards and the chimney draft on the exhaust gas treatment plant can be degraded via the resulting free floor opening
- FIG. 4 shows a modified exemplary embodiment of the chimney pipe with the lower opening section retracted and a fitted drainage floor assembly located in the open position, similar to FIG. 3.
- Fig. 1 shows schematically the lower portion of a
- the chimney pipe 1 is open at the lower end 3 (FIG. 3) and is in the closed position shown in FIG. 1, ie in the operating state of the connected via a clean gas duct 2, in the drawing Not shown exhaust gas cleaning system of a drain tray assembly 10 gas-tight.
- the drainage floor assembly 10 has a centered on the central axis 5 of the chimney pipe 1 pyramidal drainage bottom 11 and a gas-tight connected to the latter circumferential gutter 12.
- the assembly 10 is suspended in the closed position shown in FIG. 1 by guying on the flue gas pipe 1. These braces are formed by tie rods 14 in the embodiment described (FIG. 1A). Chimney tube side, the pull rod 14 is attached to an outwardly projecting bracket 6 and the bottom of a substructure 15 of the assembly 10.
- the immersion depth is set via the tie rods 14 and can be, for example, 200-300 mm (corresponding to a pressure of + 20/30 mbar.) At this depth of immersion, a so-called blow through of flue gas in the case of pressure surges in the chimney can be sufficiently reliably excluded 1 enlarged schematic section through the channel 12, which is filled with condensate up to the height of an overflow weir 17.
- Overflow weir 17 and overflow 18 A schematic plan view of overflow weir 17 and overflow 18 is shown in Figure 2C
- Overflow weirs are arranged in the embodiment described above at three points uniformly distributed around the circumference the ref ang the run-floor assembly 10 arranged distributed.
- three circumferentially distributed suspensions are provided via tie rods 14 and three overflow weirs 17. It is clear that the number of guying and overflow weirs depends on the design requirements and can be increased as desired. Instead of the pyramid shown in Fig.
- the drain tray assembly 10 is in the open position toward the open lower end 3 of the chimney pipe 1 shown. This open position corresponds to the revision state of the connected via the clean gas duct emission control system. In this open position, the drain floor assembly 10 is brought by means of hoists 16, which are each effective between a bracket 6 and the substructure 15. About these hoists, the drain floor assembly 10 can be raised again after completion of the revision of the emission control system in the closed position shown in Fig. 1. In the open position of FIG. 3, the chimney pipe is completely exposed.
- the chimney draft is routed over the exposed opening and the chimney flue connected to the flue gas cleaning system is dismantled so that the channel, which is open via the flue gas cleaning system, remains unaffected by the chimney draft.
- the lowering and raising of the assembly 10 by means of the hoists 16 easily along the central axis 5 of the chimney pipe 1.
- the tie rods 14 are anchored suitable for stationary determination of the drainage floor assembly group, the desired penetration depth 20 of the chimney pipe into the Condensate of the groove 12 can be set accurately.
- the embodiment according to FIG. 4 differs from that in accordance with FIG.
Landscapes
- Engineering & Computer Science (AREA)
- Chemical & Material Sciences (AREA)
- Combustion & Propulsion (AREA)
- Mechanical Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Treating Waste Gases (AREA)
- Incineration Of Waste (AREA)
- Chimneys And Flues (AREA)
- Separation Of Particles Using Liquids (AREA)
Abstract
Description
Claims
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
PL04765646T PL1682821T3 (en) | 2003-11-10 | 2004-09-28 | Method and device for controlling a chimney draught in an upstream connected exhaust gas cleaning system |
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
DE10352847A DE10352847B3 (en) | 2003-11-10 | 2003-11-10 | Process for reducing a chimney pulling action comprises immersing a lower open chimney tube in a sink, forming a liquid barrier as an end of the chimney tube, and releasing pressure of the flue gas purification system |
PCT/EP2004/010827 WO2005052449A1 (en) | 2003-11-10 | 2004-09-28 | Method and device for controlling a chimney draught in an upstream connected exhaust gas cleaning system |
Publications (3)
Publication Number | Publication Date |
---|---|
EP1682821A1 EP1682821A1 (en) | 2006-07-26 |
EP1682821B1 EP1682821B1 (en) | 2008-03-12 |
EP1682821B8 true EP1682821B8 (en) | 2008-05-21 |
Family
ID=33441845
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
EP04765646A Not-in-force EP1682821B8 (en) | 2003-11-10 | 2004-09-28 | Method and device for controlling a chimney draught in an upstream connected exhaust gas cleaning system |
Country Status (6)
Country | Link |
---|---|
US (1) | US8529323B2 (en) |
EP (1) | EP1682821B8 (en) |
AT (1) | ATE389149T1 (en) |
DE (2) | DE10352847B3 (en) |
PL (1) | PL1682821T3 (en) |
WO (1) | WO2005052449A1 (en) |
Families Citing this family (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE102010035653B3 (en) * | 2010-08-27 | 2012-02-02 | Robert Bosch Gmbh | Gas appliance, gas guiding device and sealing device and method for preventing gas backflow |
JP7389452B2 (en) * | 2019-07-17 | 2023-11-30 | 株式会社ヒラカワ | Combustion equipment with a recovery device for condensed water generated in the flue |
Family Cites Families (10)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US1793802A (en) * | 1928-03-26 | 1931-02-24 | Roy Page | Draft normalizer |
US1980692A (en) * | 1934-01-04 | 1934-11-13 | George W Mason | Chimney draft regulator |
DE967916C (en) * | 1952-01-16 | 1957-12-27 | Willy Jantzen | Method and device for operating a tension regulator |
US2812254A (en) * | 1952-05-12 | 1957-11-05 | H W Lay & Company Inc | Method of and apparatus for continuously cooking potato chips and similar comestibles |
US3118438A (en) * | 1961-07-24 | 1964-01-21 | Aerometric Furnace Control Inc | Adjustable draft regulator |
DE2346515C2 (en) * | 1973-09-15 | 1975-09-18 | Schweisstechnik Bochum Gmbh, 4630 Bochum | Industrial flue gas chimney with a steel flue gas pipe suspended in an outer jacket pipe |
DE3401922A1 (en) * | 1984-01-20 | 1985-08-01 | Bert 7403 Ammerbuch Sailer | Flue limiter for easy building-in in an inspection opening of a flue pipe |
JPS6183822A (en) * | 1984-09-28 | 1986-04-28 | Fuji Kako Kk | Expansion joint of cylindrical body in smokestack inner cylinder |
DE19755226A1 (en) * | 1997-12-12 | 1999-06-24 | Willi Skoberne | Deflection piece for an exhaust pipe of a heating system |
US6527005B2 (en) * | 2001-05-14 | 2003-03-04 | Radon Control, Inc. | Condensate bypass apparatus |
-
2003
- 2003-11-10 DE DE10352847A patent/DE10352847B3/en not_active Expired - Fee Related
-
2004
- 2004-09-28 EP EP04765646A patent/EP1682821B8/en not_active Not-in-force
- 2004-09-28 WO PCT/EP2004/010827 patent/WO2005052449A1/en active IP Right Grant
- 2004-09-28 PL PL04765646T patent/PL1682821T3/en unknown
- 2004-09-28 AT AT04765646T patent/ATE389149T1/en not_active IP Right Cessation
- 2004-09-28 DE DE502004006526T patent/DE502004006526D1/en active Active
- 2004-09-28 US US10/578,853 patent/US8529323B2/en not_active Expired - Fee Related
Also Published As
Publication number | Publication date |
---|---|
US8529323B2 (en) | 2013-09-10 |
PL1682821T3 (en) | 2008-10-31 |
WO2005052449A1 (en) | 2005-06-09 |
EP1682821A1 (en) | 2006-07-26 |
EP1682821B1 (en) | 2008-03-12 |
DE10352847B3 (en) | 2004-12-09 |
DE502004006526D1 (en) | 2008-04-24 |
US20070044791A1 (en) | 2007-03-01 |
ATE389149T1 (en) | 2008-03-15 |
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